19706700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 63773696

約数和(自身を除く): 44066996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 163, 186, 195, 260, 300, 310, 325, 326, 372, 390, 403, 465, 489, 620, 650, 652, 775, 780, 806, 815, 930, 975, 978, 1209, 1300, 1550, 1612, 1630, 1860, 1950, 1956, 2015, 2119, 2325, 2418, 2445, 3100, 3260, 3900, 4030, 4075, 4238, 4650, 4836, 4890, 5053, 6045, 6357, 8060, 8150, 8476, 9300, 9780, 10075, 10106, 10595, 12090, 12225, 12714, 15159, 16300, 20150, 20212, 21190, 24180, 24450, 25265, 25428, 30225, 30318, 31785, 40300, 42380, 48900, 50530, 52975, 60450, 60636, 63570, 65689, 75795, 101060, 105950, 120900, 126325, 127140, 131378, 151590, 158925, 197067, 211900, 252650, 262756, 303180, 317850, 328445, 378975, 394134, 505300, 635700, 656890, 757950, 788268, 985335, 1313780, 1515900, 1642225, 1970670, 3284450, 3941340, 4926675, 6568900, 9853350, 19706700]

約数ペア:

[(1, 19706700), (2, 9853350), (3, 6568900), (4, 4926675), (5, 3941340), (6, 3284450), (10, 1970670), (12, 1642225), (13, 1515900), (15, 1313780), (20, 985335), (25, 788268), (26, 757950), (30, 656890), (31, 635700), (39, 505300), (50, 394134), (52, 378975), (60, 328445), (62, 317850), (65, 303180), (75, 262756), (78, 252650), (93, 211900), (100, 197067), (124, 158925), (130, 151590), (150, 131378), (155, 127140), (156, 126325), (163, 120900), (186, 105950), (195, 101060), (260, 75795), (300, 65689), (310, 63570), (325, 60636), (326, 60450), (372, 52975), (390, 50530), (403, 48900), (465, 42380), (489, 40300), (620, 31785), (650, 30318), (652, 30225), (775, 25428), (780, 25265), (806, 24450), (815, 24180), (930, 21190), (975, 20212), (978, 20150), (1209, 16300), (1300, 15159), (1550, 12714), (1612, 12225), (1630, 12090), (1860, 10595), (1950, 10106), (1956, 10075), (2015, 9780), (2119, 9300), (2325, 8476), (2418, 8150), (2445, 8060), (3100, 6357), (3260, 6045), (3900, 5053), (4030, 4890), (4075, 4836), (4238, 4650)]